Arcanum, Ohio Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Arcanum weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——79°50°—
- ThursdayJun 4Overcast——84°57°+5°
- FridayJun 5Overcast——80°60°-4°
- SaturdayJun 6Light Showers72%—77°65°-3°
- SundayJun 7Light Drizzle72%—80°65°+3°
- MondayJun 8Light Drizzle12%—82°61°+2°
- TuesdayJun 9Overcast15%—79°67°-3°
Ozone at AQI 47. AQI up 25 in the last 6 hours — air quality is degrading. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 47. Overcast through the UV peak window (cloud cover ~67%) — afternoon ozone should stay flat.
- Present
- AQI 47
- UV peak
- 0.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 6
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
The higher the clouds, the finer the weather.
- Moonrise
- 3:29 AM
- Moonset
- 12:36 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Arcanum at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.